| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "remoting/codec/video_decoder_vp8.h" |
| |
| #include "media/base/video_frame.h" |
| #include "remoting/codec/codec_test.h" |
| #include "remoting/codec/video_encoder_vp8.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" |
| |
| namespace remoting { |
| |
| class VideoDecoderVp8Test : public testing::Test { |
| protected: |
| VideoEncoderVp8 encoder_; |
| VideoDecoderVp8 decoder_; |
| |
| void TestGradient(int screen_width, int screen_height, |
| int view_width, int view_height, |
| double max_error_limit, double mean_error_limit) { |
| TestVideoEncoderDecoderGradient( |
| &encoder_, &decoder_, |
| webrtc::DesktopSize(screen_width, screen_height), |
| webrtc::DesktopSize(view_width, view_height), |
| max_error_limit, mean_error_limit); |
| } |
| }; |
| |
| TEST_F(VideoDecoderVp8Test, VideoEncodeAndDecode) { |
| TestVideoEncoderDecoder(&encoder_, &decoder_, false); |
| } |
| |
| // Check that encoding and decoding a particular frame doesn't change the |
| // frame too much. The frame used is a gradient, which does not contain sharp |
| // transitions, so encoding lossiness should not be too high. |
| TEST_F(VideoDecoderVp8Test, Gradient) { |
| TestGradient(320, 240, 320, 240, 0.04, 0.02); |
| } |
| |
| TEST_F(VideoDecoderVp8Test, GradientScaleUpEvenToEven) { |
| TestGradient(320, 240, 640, 480, 0.04, 0.02); |
| } |
| |
| TEST_F(VideoDecoderVp8Test, GradientScaleUpEvenToOdd) { |
| TestGradient(320, 240, 641, 481, 0.04, 0.02); |
| } |
| |
| TEST_F(VideoDecoderVp8Test, GradientScaleUpOddToEven) { |
| TestGradient(321, 241, 640, 480, 0.04, 0.02); |
| } |
| |
| TEST_F(VideoDecoderVp8Test, GradientScaleUpOddToOdd) { |
| TestGradient(321, 241, 641, 481, 0.04, 0.02); |
| } |
| |
| TEST_F(VideoDecoderVp8Test, GradientScaleDownEvenToEven) { |
| TestGradient(320, 240, 160, 120, 0.04, 0.02); |
| } |
| |
| TEST_F(VideoDecoderVp8Test, GradientScaleDownEvenToOdd) { |
| // The maximum error is non-deterministic. The mean error is not too high, |
| // which suggests that the problem is restricted to a small area of the output |
| // image. See crbug.com/139437 and crbug.com/139633. |
| TestGradient(320, 240, 161, 121, 1.0, 0.02); |
| } |
| |
| TEST_F(VideoDecoderVp8Test, GradientScaleDownOddToEven) { |
| TestGradient(321, 241, 160, 120, 0.04, 0.02); |
| } |
| |
| TEST_F(VideoDecoderVp8Test, GradientScaleDownOddToOdd) { |
| TestGradient(321, 241, 161, 121, 0.04, 0.02); |
| } |
| |
| } // namespace remoting |